1730989680 has 480 divisors, whose sum is σ = 6730997760. Its totient is φ = 365783040.

The previous prime is 1730989669. The next prime is 1730989693. The reversal of 1730989680 is 869890371.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13629777 + ... + 13629903.

It is an arithmetic number, because the mean of its divisors is an integer number (14022912).

Almost surely, 2^1730989680 is an apocalyptic number.

1730989680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1730989680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3365498880).

1730989680 is an abundant number, since it is smaller than the sum of its proper divisors (5000008080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1730989680 is a wasteful number, since it uses less digits than its factorization.

1730989680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 1730989680 is about 41605.1641025486. The cubic root of 1730989680 is about 1200.6916568213.

The spelling of 1730989680 in words is "one billion, seven hundred thirty million, nine hundred eighty-nine thousand, six hundred eighty".